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United States › Grid › Interconnection queues › Washington

BATTERY STORAGE · WEST

Battery storage project 149, Whatcom County

Battery storage project 149, Whatcom County is a 200 MW battery storage request in interconnection study in the West interconnection queue, in Whatcom County, Washington, connecting to Puget Sound Energy.

Queue statusIn planning
  1. PlanningQueued Apr 2024 (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingTarget Dec 2027 (not yet reached)
  5. Closed (not yet reached)

Studies assess what grid upgrades the project would need and who pays for them. A signed interconnection agreement is the main step before construction.

Request details

Queue ID
149
Grid region
West (non-ISO utilities)
Utility / transmission owner
Puget Sound Energy
Connection point (POI)
Arco Central 115kV Substation
Location
Whatcom County, Washington
Technology
Battery: 200 MW
Total requested
200 MW
Service type
Network resource (NRIS)
Study phase
Transitional Cluster Study
Queue status
Active
Entered queue
17 April 2024
Proposed online date
December 2027

Location

Marker shows the centre of Whatcom County; the queue data does not give exact sites.

Power plants in Washington · Transmission lines in Washington

Other requests in Whatcom County

Source: Lawrence Berkeley National Laboratory, Queued Up, data through end of 2025, compiled from ISO/RTO and utility queues. Check the grid operator's own queue for the latest status. Report a problem